Reflection of You (2021)

Jeong Hee-joo (Go Hyun-jung) had a tough time in her early and youth days. She grows up into a successful painter and essayist. Ahn Hyeon-seong (Choi Won-young), her husband is a rich and powerful person. With their two children, they seem to enjoy a perfect family life. Unsatisfied Hee-joo feels like spending her time pointlessly. Then she meets Goo Hae-won (Shin Hyun-bin), an art teacher, lacking worldly means but still full of life and shining. 

[About] 
Reflection of You is an upcoming South Korean television series directed by Lim Hyeon-wook and starring Go Hyun-jung, Shin Hyun-bin, Choi Won-young and Kim Sang-ho. The series is about a woman who leaves the conditioned life style of 'wife and mother' for a brief period and becomes faithful to her desires, and another woman who comes in contact with her in that short span and loses the light of her life. It is slated to premiere on JTBC in 2021 and will air on Wednesday and Thursday at 21:00 KST. 

[Source: Wikipedia]